Shut-off for carbureters in motor-vehicles.



W. l. COOPER. SHUT-OFF FOR CARBURETERS IN MOTOR VEHICLES.

APPLICATION FlLED DEC. 4, 1916.

W. J. COOPER.

SHUT-OFF FORl CARBUREERS IN MOTOR VEHICLES.

APPLICATION FILED DEC. 4. |916. 1,238,989. Patentedsepn 4,1917.

2 SHEETS-SHEET 2.

UNITED STATES PATENT OFFICE.

WALTER J'. COOPER. 0F CLEVELAND, OHIO, ASSIGNOR 0F ONE-HALF TO MICHAEL J'.

MARUNA, F CLEVELAND, OHIO.

SHUT-OFF FOR CABBURETEBB IN MOTOR-VEHICLES.

Specification of Letten Patent.

Patented Sept. 4, 1917.

To all 'whom 'it may concern.'

lle it known that I. 'AL'rnn J. Coornu, a citizen of the United States. residing at Cleveland. in the county of Cuyahoga and State of Ohio, have invented certain new 'vg trolling the fuel supply of an explosive en gine in an automobile and involves a locking device adapted to operate automatically when the supply of fuel or gas to the engine is cut oil' and also includes an auxiliary lock requiring a key to release the parts for use again. all substantially as shown and described and particularly pointed out in the claims. Thus, one of the objects of the invention is to provide a device adapted to be mounted upon the dash of an automobile opposite the operators seat whereby thepas'- sage of the explosi mixture from the carburcter to the engine may be variahly controlledor absolutely shut otl` and the arts automatically locked in any given or a justcd position and unlocking effected only by the use of a key in the hands of authorv ized persons. A further object is to pivot the locking device upon a suitable mounting so that it may be aflixed to different makes of cars where the angle or inclination of the shut-off rod di'ers on account of a higher or lower -position of the carbureter or engine relatively to the dash or where the. dash may be straight or inc-lined as the case may he. In operation. when the shut-ofi' is closed and locked the fuel supply to the engine is cut oil, and an unauthorized person cannot. start the engine and ride away with the car.

In the accompanying drawings. Figure 1 is a side elevation of a vehicle showing the engine and the carbureter and my new and original. shut-off deV vice therewith. Fig. 2 is an enlarged plan view of the valve and its operating mechanism with the operating rod broken away and foreshortened, and Fig. 3 is a sectional elevation of the said mechanism lengthwise on the line of the rod.

Fig. 4, Sheet 2, `is an end elevation showing the hand grip of the control mechanism and the key or lock box. Fig. 5 is a cross section on line 5--5, Fig. 3, showing theFlocking bolt and operating eccentric, and ig. 6 is a sectional elevation of the coupling memortion of a motor ber containin the damper valve in the passage leading rom the carburetor to the cngiue. Fig. 7 is a side view of a modified form of lock box and mounting adapted to permit various settings thereof on dillerenli. vehicles or where the parts are diiicrently related.

Structurally, the essential parts involve the shut-oli' member 2. which may also he. regarded as a damper or valve. and thc cas' ing-3 therefor which comprises a coupling! member located in and incorporated with the pipe, passage. or duct 4 leading vfrom tlucarburcter o to the engine. The said shutoif is preferably of the damper type. adapted to be rotated and more. or less entirely closed. and hence has a spindle 5 rotatably mounted in casing 3 and provided with a toothed wheel or segment (i at its extremity outside -said casing engaged by teeth b' ou the lower extremity of a rod or operating shaft 9, the said shaft being adapted to be lnoved lengthwise a suliicient distance to change the shut-oil' from open to closed position and, of course, back again to open or normal position. A spring 10 behind the end of said shaft moves the same automatically outward to open position, and the hand grip -h is on the other or upper exposed end of said shaftat the front of the dash for convenient reach and is mounted within or upon the head 11 secured to the dash.'

A Yale tumbler or other lock 12 is installed beneath the said hand grip h in Said head and a bolt I) having a sha1' cned or tooth-shaped or beveled end is a apted to engage in one of the circular tooth-shaped rings 14 about the shaft 9, asl clearly seen in Fig. 3,v and which serve to prevent the yvitl'idrawal of said shaft and when engagement is made. A spring 15 behind said bolt holds the bolt in working engagement" with shaft 9, and the bolt is retracted or withdrawn throu h or by means of the cam or eccentric 16 a xed to the inner end of the rotatable barrel or cylinder 17 which receives the key k. The cam .16 bears upon a shoulder 18 when the cylinder is rotated, thus retracting the bolt.

A box or housing 20 is-partially sleeved over the reduced extremity of the casing 3 and incloses the wheel or segment 6 and provides a bearing for the end of shaft 9 and an inclosure for spring 10.

.The utility and operation ofthe device will be clearly understood from the foregoing description, and it is the work of a moment to push the shaft or rod 9 inward and close the shut oil', elther partiell or entirely, and the bolt 4 holds the sha automatically against withdrawal. Assuming the supply to be entirely cut ofl' the engine cannot e o erated. Then when the en ine is to be used) the key is inserted and the lt withdrawn, whereu on the spring 10 forces shaft 9 outward until `the valve is fully open. The inclined backs of the annular teeth or rings 14 on shaft 9 and the reverse bevel of the tooth-shaped end 19 `of bolt b engaged therewith enable the shaft to be thrust to closing position of the shut-olf without withdrawing the bolt or using the key.

In Fig. 7 I show a lock-confining casi-ng 11 pivotally mounted within a suitable inclosure and support 21 which is ada ted to be fastened to the dash of the vehic e, and the shaft 9 has a hollow hand gri h containing a spring 22 to force the s aft outward. The pivoted casingl as thus described permits the shaft to be p aced at any angle of inclination relativelyA to the engine or carburetor and to be attached to any form of dash whether vertical or inclined, and it will be noted that the box 2O for the ear segment 6 and the lower end of the sha t is free to`turn on the coupling member 3 so as to permit dierent angular adjustments of the shaft to take lace as described.

It should have een stated that the casing 11, as seen in Figs. 2 and 4 and in section Fig. 3, is an entirety adapted to be rigidly fixed on the clashV and constructed to carry the tumbler mechanism, the bolt b and rod 9, while in Fig. 7, the support 21 is fastened to the dash'and the part 11 is pivotally mounted thereon at 10, and carries the tumbler, the locking boa and the rod e. This affords the change of angle or inclination of rod 9 hereinbefore described.

What I claim is:

1. In means for controlling the fuel supply of an explosive engine in an automobile, a mounting adapted to be fixed to the dash of the automobile and a key-controlled locking device therewith having a casing pivotally secured to said mountxn a valve-o erating rod sldably moun within said casing in locking relation with said device, in combination with a fuel controllin valve having gear connection with said rofand a box containing said connections adapted to turn to permit different angular adjustments of said rod.

2. In means for controlling the fuel supply of an explosive engine, a fuel-controlling valve and an operating rod having toothed controlling engagement therewith and slidably axially, a bolt adapted to effect self-locking of said rod subsequent to valveclosing movements thereof, a box conning the lower end of said rod and a spring in said box bearing against the end of said rod tending to produce return movement of said rod after an operation thereof, in combination with a fixed support and a casing ivotally mounted therein containing sai self locking bolt and lrey-controlled locking means adapted to engage the end of said self-locking bolt to release the same from engagement with said rod, the said rod being supported in said casing and adjustable therewith.

3. In means for controlling the fuel supply of an explosive engine, a fuel-controlling valve and an operating rod having toothed controlling engagement therewith and slidable axially, in combination with a bolt adapted to eeot self-locking of said rod subsequent to valve-closing movements thereof and a spring tending to produce return movement of said rod after an operation thereof, the said means comprising a pivotally mounted casing containin said self locking bolt and a key-controllo locking device adapted to engage the end of sald self-locking bolt to release the same from holding engagement with said rod.

Signed at Cleveland in the county of Cuyahoga, and State of Ohio,this 14th day of November, 1916.

, WALTER J. COOPER.- 

